<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <ul>
            <li v-for="(item,index) in list" :key="item.id">
                {{ item }}
            </li>
        </ul>
        <button @click="reverse">走一走</button>
    </div>
    <script src="./准备代码/vue.js"></script>
    <script>
        const app =new Vue({
            el:"#app",
            data:{
                list:[
                    '帅哥','美女','程序猿'
                ]
            },
            methods:{
                reverse() {
                    this.list = this.list.reverse()
                }
            }
        })
    </script>
</body>
</html>